Evidence map›Paper›PMID 29962847›Full record

ReviewCurrent oncology (Toronto, Ont.)2018

Harmonization of PD-L1 testing in oncology: a Canadian pathology perspective.

D N Ionescu, M R Downes, A Christofides, M S Tsao

Open access · goldAbstract readReview
In one paragraph

Review in Current oncology (Toronto, Ont.), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
2.7field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

23 citing papers in PubMed, 44 citations in OpenAlex.

  1. Article
  2. Review
  3. Recommendations for the use of biomarkers for head and neck cancer, including salivary gland tumours: a consensus of the Spanish Society of Medical Oncology and the Spanish Society of Pathology.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2022
    Article
  4. Article
  5. Review
  6. Review
  7. Observational
  8. Observational
  9. Multiplex Tissue Imaging Harmonization: A Multicenter Experience from CIMAC-CIDC Immuno-Oncology Biomarkers Network.Clinical cancer research : an official journal of the American Association for Cancer Research · 2021
    Article
  10. PD-L1 expression in gastric cancer: interchangeability of 22C3 and 28-8 pharmDx assays for responses to immunotherapy.Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc · 2021
    Article
  11. Comparison of three PD-L1 immunohistochemical assays in head and neck squamous cell carcinoma (HNSCC).Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc · 2021
    Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Review
  17. Article
  18. Esophageal carcinoma: Towards targeted therapies.Cellular oncology (Dordrecht, Netherlands) · 2020
    Review
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 3 institutions in 1 country.

D N IonescuDepartment of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC.
M R DownesAnatomic Pathology, Sunnybrook Health Sciences Centre, Toronto, ON.
A Christofidesimpact Medicom Inc., Toronto, ON.
M S TsaoDepartment of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON.
University of Toronto · CAUniversity Health Network · CAUniversity of British Columbia · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Checkpoint inhibitors targeting the programmed cell death 1 protein (PD-1) and programmed cell death ligand 1 (PD-L1) are demonstrating promising efficacy and appear to be well tolerated in a number of tumour types. In non-small-cell lung cancer, head-and-neck squamous cell carcinoma, and urothelial carcinoma, outcomes appear particularly favourable in patients with high PD-L1 expression. However, assays for PD-L1 have been developed for individual agents, and they use different antibody clones, immunohistochemistry staining protocols, scoring algorithms, and cut-offs. Given that laboratories are unlikely to use multiple testing platforms, use of one PD-L1 assay in conjunction with a specific therapy will become impractical and could compromise treatment options. Methods to harmonize testing methods are therefore crucial to ensuring appropriate treatment selection. This paper focuses on lung, bladder, and head-and-neck cancer. It reviews and compares available PD-L1 testing methodologies, summarizes the literature about comparability studies to date, discusses future directions in personalized diagnostics, and provides a pathologist's perspective on PD-L1 testing in the Canadian laboratory setting.

Indexed as

B7-H1 AntigenCanadaHumansImmunohistochemistryImmunotherapyB7-H1 AntigenCD274 protein, humanbladder cancerimmunohistochemistryImmunotherapylung cancerPD-L1 assays

Identifiers

PMID29962847
PMCPMC6023555
OpenAlexW2811161985

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.